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path: root/drivers/dma/amba-pl08x.c
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Diffstat (limited to 'drivers/dma/amba-pl08x.c')
-rw-r--r--drivers/dma/amba-pl08x.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
index 45f5e66..d8d3dc2 100644
--- a/drivers/dma/amba-pl08x.c
+++ b/drivers/dma/amba-pl08x.c
@@ -921,13 +921,10 @@ static dma_cookie_t pl08x_tx_submit(struct dma_async_tx_descriptor *tx)
struct pl08x_dma_chan *plchan = to_pl08x_chan(tx->chan);
struct pl08x_txd *txd = to_pl08x_txd(tx);
unsigned long flags;
+ dma_cookie_t cookie;
spin_lock_irqsave(&plchan->lock, flags);
-
- plchan->chan.cookie += 1;
- if (plchan->chan.cookie < 0)
- plchan->chan.cookie = 1;
- tx->cookie = plchan->chan.cookie;
+ cookie = dma_cookie_assign(tx);
/* Put this onto the pending list */
list_add_tail(&txd->node, &plchan->pend_list);
@@ -947,7 +944,7 @@ static dma_cookie_t pl08x_tx_submit(struct dma_async_tx_descriptor *tx)
spin_unlock_irqrestore(&plchan->lock, flags);
- return tx->cookie;
+ return cookie;
}
static struct dma_async_tx_descriptor *pl08x_prep_dma_interrupt(